Group BY street to avoid duplication

app/Http/Controllers/Api/Controller.php

@@ -28,7 +28,7 @@ class Controller extends BaseController
 	public function getStreet($building_name)
 	{
 		$data = array();
-        $coverage = Coverage::where('building_name',$building_name)->get();
+        $coverage = Coverage::where('building_name',$building_name)->groupBy('street')->get();
 		if(!empty($coverage)){
 			foreach ($coverage as $key => $c) {
 				array_push($data, array(